import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: ASUS
 * Date: 2023-03-28
 * Time: 13:29
 */
public class Data {
    public static void main(String[] args) {
        System.out.println("Day 21");
        Scanner sc1 = new Scanner(System.in);
        Scanner sc2 = new Scanner(System.in);
        int x = sc1.nextInt();
        int y = sc2.nextInt();
        int ret =sum(x, y);
        System.out.println(ret);
        Scanner sc3 = new Scanner(System.in);
        Scanner sc4 = new Scanner(System.in);

        double p = sc3.nextDouble();
        double q = sc4.nextDouble();
        double ret2 = sum(p, q);
        System.out.println(ret2);

    }
    Scanner sc = new Scanner(System.in);

    public static int sum(int a, int b) {

        return a + b;
    }
    public static double sum(double a, double b) {
        return a + b;
    }


}
